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Analysis of the simulation movement in Cigarette packagingmachine pusher DeviceJujiang Cao1, a, Xiaohong Tian2, b and Long Li3, c1,2,3of Science & Technology Xian, Shaanxi Province, Chinaajjcaosust.edu.cn, btianxiaohongsust.edu.cn, cllabc125163.comKeywords: Cigarette pusher device, movement curve, acceleration, ProEAbstract.Researches and analyzes an advanced cigarettes in this paper, with thehelp of 3d modeling software pro/E image intuitively emulation produce its motioncurves, and obtain the displacement, velocity and acceleration curve, Using themechanism motion and kinematics analysis diagram, the mechanism kinematicalprocess is analyzed which is laid a certain foundation for the further improvedcigarette pusher device.IntroductionPusher device is an important component in cigarette packaging machine. It has twoaspects function: one is to fold the shorter edges of aluminum foil bag top; Another isto push the foil tobacco package box paper together with wrapped round to trademark.Taking a cigarette packaging machine for example (as shown in figure 1) in this paper.The pusher is cam-link institutions and slider-crank composed of five-bar mechanism,cam-link mechanism to push folding aluminum foil on the short side up and downmovement; Slider-crank mechanism to push aluminum foil tobacco packagereciprocating movement before. After completing two top fold Angle and cigaretteshorter edges; While keeping the aluminum foil tobacco package from a continuousmovement and avoid collect conveying guide, continuous movement pushed smokelugs1. Aluminum foil tobacco package under two top fold Angle and shorter edgesfolding is in motion, namely complete with reciprocating mode box back together in afold reciprocating movement is under the action of fixed CAM swung repeatedly2,then completes the folding action. Slider-crank mechanism of reciprocating mode boxcontrol the reciprocating back and forth motion.Figure 1. The three-dimensional graph1-cam 2-link 3-link 4- three components 5-link6-link 7-crack 8-link 9-crank 10-pusherFigure 2, the diagram for the structure of the pusherDepartment of Mechanical and Electrical Engineering Shaanxi UniversityInstitution structure and working principleAluminum foil pushing smoke pusher device belongs to the CAM five-linkmechanism. It is a kind of institution which can achieve precise trajectory. Cam-linkget the CAM and linkage mechanism of their respective advantages together, also caneliminate or reduce their some bad performance. This device can without error groundemersion given trajectory on the structure and function, and they can also finish thescope of more than general four-bar mechanism. This paper studies the combinationmechanism with CAM mechanism and linkage mechanism with the implementationof the trajectory in figure 1 pusher device.As figure2 shows, component 1 is the original dynamic parts, the movement rulegiven by CAM; Component 2, 3, 4 form a four-bar mechanism, component part 5, 6,8, 9, form a five-bar mechanism which series with four-bar. The power also comesfrom the role of CAM- 2. Meanwhile slider-crank mechanism consolidate with theCAM which power is also from its output, the CAM mechanism in parallel withfive-bar mechanism, together controlling the trajectory of pusher in F. Figure2 is thediagram for aluminum foil push the structure of smoking institutions pusher. the rod 2and rod 3, rod 3 and 4, pole 6 and pole 7, lever 1 and testing five are through pinconnection with the stem 4, component 5 as a whole part on the frame which can alsopromote the rotary motion of the pole 4 and rod 6. the points of F is the output ofinstitutions.Institutions movement analysisIn Pro/E the trajectory will change by adjustment of the length of five rods and theconnecting rod, the Angle between the institutions. In order to make the geologicalhazards in returning in design requirements, we first determine when the institutionsin various rods, and the center distance between the contact point in CAM roller CAMand CAM, ensure in contact for surface contact.Eventually get the crucible of track as shown in figure 1 shows. In Pro/E, CAM speedcan be a constant value, also can be: slope, cosine, SCCA, cycloid, parabolic,polynomial, tables, user-defined3. By defining the CAM movement can get differentmotion characteristics, this paper take every minute 800 packet transmission motor(speed 400rad/min) as an example. Measurement helps understand and analyze theeffects of the mobile mechanism, and improves the information mechanism design.Pro/E provides analysis types are: location analysis, kinematics analysis, dynamicanalysis, static analysis and force equilibrium analysis. Each kind of analysiscorresponding measuring type, such as the measured kinematical analysis types:position,velocity,acceleration,connectingcounterproductive,netload,counterproductive, momentum, impulse, system, subject, separation, CAM anduser-defined.Render the trajectory of the movement of F. The menu bar in turn click insertto a trajectory curve the order, pop-up trajectory curve dialog box. Select thecorresponding parameter will get the curve of figure 1.Set the institutions, the related parameters of kinematics analysis. As theexample of graph 2 actuating limbs of institutions in this paper, its related parametersare: rod 2 length for the length is 140mm, rod 3 for the length is 450mm, rod for fiveis 184mm, stem length of 6 is 90mm, rod for the 8 is 150mm, rod for 10 is 95mm. theAngle between Component 2 is 189.75 degrees, rods are pin connected, on theanalysis of kinematics analysis, and obtain the analysis of displacement, themovement velocity and acceleration in F.Measurement the position 、velocity and Angle on the position of F point.The menu bar in turn click analysis - institutional analysis, motor, set parametersfor the constant, A (degrees/SEC) = 400 (turn)X360( degrees) / 60 = 2400, then clickoperation after completion, allow commands, click the measurement pop-upmeasuring results dialog box. The amount of set respectively, to measure setposition, velocity, acceleration, the measured results after finishing, renderinggraphics such as shown below measurement. The following draws the displacements -every minute time chart, speed - time chart, acceleration - time per minute map and in600 bales, 800 bag, 1000 packet.1-300r/min of displacement-time in F2-400r/min of displacement-time in F3-500r/min of displacement-time in FFigure 3 the displacement-time in F1-500r/min of velocity-time in F2-400r/min of velocity -time in F3-300r/min of velocity-time in FFigure 4 the velocity - time in F1-500r/min of acceleration -time in F 2-400r/min of acceleration -time in F3-300r/min of acceleration -time in FFigure 5 the acceleration time in FChart 1 is the maximum and minimum in figure 3、4、5.(F point is as shown in figure 2)Figure 3, 4, 5 May intuitive reflected in every minute transmit 600 bag, 800 bag, 1000bag, its velocity, acceleration curve, figure 5 is showed when acceleration is 0, itsvelocity maximum -3400mm/s. With the increased speed, acceleration is obviousmutations, fig. 5 show every minute transmit 600 bales, 800 bags and 1000 packetPlacement in Fpoint(800 bag)mmVelocity in Fpoint(800 bag)mm/sAcceleration inF point2(800bag)mm/sacceleration in Fpoint (600 包)2mm/sacceleration in Fpoint(1000 包)2mm/smaximum1504100223000100000350000minimum-18-3500-150000-90000-250000period(s)0.150.150.150.20.12acceleration - time chart. In 0.12 velocity The advantages and disadvantages of theinstitution. when cigarettes at a lower speed, with the different speed requirements forthe cigarette, by changing the speed of the CAM to meet the requirement. The agencyhas strong production flexibility to different cigarettes case product. Technology ismore advanced and design method is clever, fully combine the double bag packagingand straight bag packaging technology advantages. At the same time, the reasonablelayout design making the institutions compact structure, smaller space occupied byand high production efficiency. By the precise size of the mechanism analysis anddesign, especially for the detailed design of the profile of CAM, which can meet theneeds of high kinematic accuracy of the mechanism and kinetics characteristics4.Weakness is when speed is higher (1000 package/points), the acceleration is largerwhich cause mutations in the inertial the bigger forces and it has certain influence tothe whole organization.ConclusionNot only make the mechanism visual and visualization, also make the wholesimulation process is more accurate, image, vivid. By crucible analysis of theadvanced institution and using 3d software Pro/E. Pro/E can obtain the simulationanalysis of the modeling institutions of kinematics analysis at any position. Thearbitrary position dynamics analysis can obtain When confirm the quality of theorganization institutions. Through analysis the agency and the institution, foundingthat there is improvement and ascension space in this institution, and the agency isalso not only for the realize cigarette packaging machine. Through analysis thecrucible institutions find that its can improve space, improving direction can has twokinds: one is to improve the speed, achieve namely 1000 package/points; Another isto improve the operation efficiency and stability of the machine. For this pushinstitutions from analysis can also get some inspired, so as to promote thedevelopment of packaging machine techniques.References:1 GongMeiHua,HuangDeLiang,Xufeng. Analysis of FC800 in FOCKE packagingmachinem. conference of China tobacco institute proceedings in 2010 (2010.3)2 SongMeili,WangHuaKun,YinLei. Designed and motion simulation in packing theinnovation of mechanical pusher book institutions J, packaging and food machine2008,4 (26)3 WangShengTao,ChenZaiLiang. Based on the gear Pro/E motion simulationfive-bar J of suzhou university journals 2010,6,53-554 HuangDeLiang, RenZiWen,ShiZhiFang. Realize speed requirements trajectorycam-link combination mechanism design J mechanical design and research, 2007, 4(23) : 32-34.
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